libssh up to 0.5.2 sftp.c sftp_mkdir resource management

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in libssh 0.4.7/0.4.8/0.5.0/0.5.1/0.5.2. This affects the function sftp_mkdir of the file sftp.c. This manipulation causes resource management. The identification of this vulnerability is CVE-2012-6063. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in libssh 0.4.7/0.4.8/0.5.0/0.5.1/0.5.2. Affected by this vulnerability is the function sftp_mkdir of the file sftp.c. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Double free vulnerability in the sftp_mkdir function in sftp.c in libssh before 0.5.3 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors, a different vector than CVE-2012-4559.

The weakness was shared 11/30/2012 by Florian Weimer with Red Hat Product Security Team as Bug 871612 as not defined bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. This vulnerability is known as CVE-2012-6063 since 11/30/2012. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 63125 (Debian DSA-2577-1 : libssh - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks.

Upgrading to version 0.4.7 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (80495), Tenable (63125), SecurityFocus (BID 56848†) and Vulnerability Center (SBV-39272†). The entries VDB-63106 and VDB-63104 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 63125
Nessus Name: Debian DSA-2577-1 : libssh - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 864923
OpenVAS Name: Fedora Update for libssh FEDORA-2012-18687
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: libssh 0.4.7
Patch: git.libssh.org

Timelineinfo

11/30/2012 🔍
11/30/2012 +0 days 🔍
11/30/2012 +0 days 🔍
11/30/2012 +0 days 🔍
12/07/2012 +7 days 🔍
04/21/2013 +135 days 🔍
03/24/2015 +702 days 🔍
12/20/2021 +2463 days 🔍

Sourcesinfo

Advisory: Bug 871612
Researcher: Florian Weimer
Organization: Red Hat Product Security Team
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-6063 (🔍)
GCVE (CVE): GCVE-0-2012-6063
GCVE (VulDB): GCVE-100-63109

OVAL: 🔍

X-Force: 80495
SecurityFocus: 56848 - libssh CVE-2012-6063 Denial of Service Vulnerability
Vulnerability Center: 39272 - libssh Before 0.5.3 Double Free Vulnerability Allows Remote DoS\\Code Execution via Unspecified Vectors, High

See also: 🔍

Entryinfo

Created: 03/24/2015 12:22
Updated: 12/20/2021 15:56
Changes: 03/24/2015 12:22 (67), 04/28/2017 08:48 (7), 12/20/2021 15:51 (3), 12/20/2021 15:56 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!